Battery powered charging/USB hub

Ian Stirling openmoko at mauve.plus.com
Thu May 10 14:14:22 CEST 2007


Frank Coenen wrote:
> 
> On 5/10/07, *Aloril* <aloril at iki.fi <mailto:aloril at iki.fi>> wrote:
> 
>     Small battery-powered USB charger:
>     http://www.ladyada.net/make/mintyboost/
>     I assume above should be able to charge Neo1973?
> 
> 
> No it won't be able to charge the Neo1973, since it doesn't identify 
> itself as a USB2.0 host.
> Hence, the Neo will only draw 100mA. You need the full 500mA from USB2.0 
> to charge.

Unless you apply the soon-to-be-created patch that someone (maybe me) 
will write that draws 500mA anyway, if the host does not talk USB1 to us 
in 10 seconds.
Maybe even with a confirmation dialog box.





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